U.S. Solar Power Monthly

September Up 30% Versus Last Year

Highlights:

  • EnerWrap wrangles daily and monthly solar data, the EIA-860M and bespoke behind-the-meter data to provide an exhaustive look in the U.S. solar market

  • Solar growth is one of the biggest stories in U.S. and global energy markets this year

  • Utility-scale solar generation is up 36% year-to-date; ERCOT is up 55% year-to-date

  • U.S. L-48 solar generation in September was 18,742 GWHrs, down -15.5% versus last month and up 29.9% versus last year

  • Last 12-month U.S. utility-scale solar generation was 193.4 TWHrs versus 81.0 TWHrs of small-scale

  • U.S. utility-scale solar generation was up 26.5% versus 13.9% for behind-the-meter

  • Through July LTM utility-scale solar generation was up 26.9% versus BTM up 18.4%

  • Total utility-scale solar capacity is currently 118,875 megawatts

  • Total solar capacity, including BTM is currently 157,130 megawatts

  • ERCOT has exceeded CAISO utility-scale generation in 2024

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